#5751BE#5751BE

#5751BE is a mid, vivid blue. Relative luminance 0.116; OKLCH L 50.1% C 0.166 H 281.1°. Best body text is #FFFFFF at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#5751BE
RGB	rgb(87, 81, 190)
HSL	hsl(243, 46%, 53%)
HSV	hsv(243, 57%, 75%)
CMYK	cmyk(54.2%, 57.4%, 0%, 25.5%)
CIE-LAB	lab(40.62, 32.97, -56.78)
CIE-LCH	lch(40.62, 65.66, 300.14°)
OKLab	oklab(50.15% 0.0318 -0.1627)
OKLCH	oklch(50.15% 0.166 281.1)
XYZ	xyz(16.1643, 11.6278, 50.0978)
Luminance	0.1163 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5751BE #B8BE51

analogous

#5181BE #5751BE #8D51BE

triadic

#5751BE #BE5751 #51BE57

tetradic

#5751BE #BE5181 #B8BE51 #51BE8D

square

#5751BE #BE5181 #B8BE51 #51BE8D

split-complementary

#5751BE #BE8D51 #81BE51

monochromatic

#2C286C #3E3999 #5751BE #827ECF #ADAADF

Accessibility & contrast

On white

6.31

#5751BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#5751BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5751BE

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5751BE	#FFFFFF	#000000	##FFFFFF
##5751BE	1.00	6.31	3.33	6.31
#FFFFFF	6.31	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064C2

Deuteranopia (green-blind)

#005CBC

Tritanopia (blue-blind)

#286A7F

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #5751be;
/* rgb */ color: rgb(87, 81, 190);
/* oklch */ color: oklch(50.1% 0.166 281.1);

Tailwind

colors: {
  custom: {
    50: '#8f82d2',
    500: '#5751be',
    950: '#000000',
  },
}

SCSS

$custom: #5751be;
$custom-light: #8f82d2;
$custom-dark: #000000;

JSON

{
  "hex": "#5751be",
  "rgb": {
    "r": 87,
    "g": 81,
    "b": 190
  },
  "hsl": {
    "h": 243.303,
    "s": 45.607,
    "l": 53.137
  },
  "oklch": {
    "l": 0.5015,
    "c": 0.16574,
    "h": 281.1
  },
  "luminance": 0.11629
}

Semantic roles & 50–950 ramp

primary

#5751BE

secondary

#CACD9E

accent

#D553CE

background

#F9F7FD

surface

#F1EEFA

border

#CBC9D3

text

#0D0A14

muted

#7E7C83

Preview Lab

Preview with #5751BE

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →